Home / 1,619,788.62-2,235,740.63-931,535.67

Finding the Fourth Proportional to 1,619,788.62, 2,235,740.63 and 931,535.67

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Solution

The fourth proportional to 1,619,788.62, 2,235,740.63 and 931,535.67 is: 1,285,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,788.62 : 2,235,740.63 = 931,535.67 : x
  2. Step 2: Convert to fraction form
    1,619,788.62/2,235,740.63 = 931,535.67/x
  3. Step 3: Cross multiply
    1,619,788.62x = 2,235,740.63 × 931,535.67
  4. Step 4: Simplify right side
    1,619,788.62x = 2,082,672,145,713.27
  5. Step 5: Solve for x
    x = 2,082,672,145,713.27/1,619,788.62
  6. Step 6: Final answer
    x = 1,285,767.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.